diff --git a/lib/kwinglutils.cpp b/lib/kwinglutils.cpp
index cd3f5998fd..5595b723a8 100644
--- a/lib/kwinglutils.cpp
+++ b/lib/kwinglutils.cpp
@@ -546,7 +546,7 @@ void GLTexture::enableNormalizedTexCoords()
         // Modify texture matrix so that we could always use non-opengl
         //  coordinates for textures
         glScalef( 1, -1, 1 );
-        glTranslatef( 0, -mSize.height(), 0 );
+        glTranslatef( 0, -1, 0 );
         }
     glMatrixMode( GL_MODELVIEW );
     }